From 3a4fc7a1acf01489554ceff0e5a2b08a992cc737 Mon Sep 17 00:00:00 2001
From: Peter Palfrader <peter@palfrader.org>
Date: Fri, 2 Sep 2005 16:12:27 +0000
Subject: Add first version of check libs

git-svn-id: svn+ssh://asteria.noreply.org/svn/weaselutils/trunk@10 bc3d92e2-beff-0310-a7cd-cc87d7ac0ede
---
 nagios-check-libs | 95 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100755 nagios-check-libs

diff --git a/nagios-check-libs b/nagios-check-libs
new file mode 100755
index 0000000..2d1e6e1
--- /dev/null
+++ b/nagios-check-libs
@@ -0,0 +1,95 @@
+#!/usr/bin/perl -Tw
+
+# Copyright (C) 2005 Peter Palfrader <peter@palfrader.org>
+
+use strict;
+use English;
+use Getopt::Long;
+
+$ENV{'PATH'} = '/bin:/sbin:/usr/bin:/usr/sbin';
+delete @ENV{'IFS', 'CDPATH', 'ENV', 'BASH_ENV'};
+
+my $LSOF = '/usr/bin/lsof';
+my $VERSION = '0.0.0';
+
+# nagios exit codes
+my $OK = 0;
+my $WARNING = 1;
+my $CRITICAL = 2;
+my $UNKNOWN = 3;
+
+my $params;
+
+Getopt::Long::config('bundling');
+if (!GetOptions (
+	'--help'	=> \$params->{'help'},
+	'--version'	=> \$params->{'version'},
+	'--verbose'	=> \$params->{'verbose'},
+	)) {
+	die ("$PROGRAM_NAME: Usage: $PROGRAM_NAME [--help|--version] [--verbose]\n");
+};
+if ($params->{'help'}) {
+	print "$PROGRAM_NAME: Usage: $PROGRAM_NAME [--help|--version] [--verbose]\n";
+	print "Reports processes that are linked against libraries that no longer exist.\n";
+	exit (0);
+};
+if ($params->{'version'}) {
+	print "nagios-check-libs $VERSION\n";
+	print "nagios check for availability of debian (security) updates\n";
+	print "Copyright (c) 2005 Peter Palfrader <peter\@palfrader.org>\n";
+	exit (0);
+};
+
+$SIG{'__DIE__'} = sub {
+	print STDERR @_;
+	exit $UNKNOWN;
+};
+
+
+my %processes;
+
+sub getPIDs($$) {
+	my ($user, $process) = @_;
+	return join(', ', sort @{ $processes{$user}->{$process} });
+};
+sub getProcs($) {
+	my ($user) = @_;
+
+	return join(', ', map { $_.' ('.getPIDs($user, $_).')' } (sort {$a cmp $b} keys %{ $processes{$user} }));
+};
+sub getUsers() {
+	return join('; ', (map { $_.': '.getProcs($_) } (sort {$a cmp $b} keys %processes)));
+};
+
+
+
+
+print STDERR "Running $LSOF +L\n" if $params->{'verbose'};
+open (LSOF, "$LSOF +L|") or die ("Cannot run $LSOF +L: $!\n");
+my @lsof=<LSOF>;
+close LSOF;
+if ($CHILD_ERROR) { # program failed
+	die("$LSOF +L returned with non-zero exit code: ".($CHILD_ERROR / 256)."\n");
+};
+
+for my $line (@lsof)  {
+	if ($line =~ m/path inode=/) {
+		my ($process, $pid, $user, $rest) = split /\s+/, $line;
+		#$processes{$user}->{$process} = [] unless defined $processes{$user}->{$process};
+		push @{ $processes{$user}->{$process} }, $pid;
+	};
+};
+
+
+
+my $message;
+my $exit = $OK;
+if (keys %processes) {
+	$exit = $CRITICAL;
+	$message = 'The following processes have libs linked that were upgraded: '. getUsers();
+} else {
+	$message = 'No upgraded libs linked in running processes';
+};
+
+print $message,"\n";
+exit $exit;
-- 
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